@misc{indiciae47f9bf30af05,
  title = {Numerical simulation of the High Plains regional aquifer, northwestern Oklahoma},
  author = {J.S. Havens and S. C. Christenson},
  year = {1984},
  doi = {10.3133/wri834269},
  url = {https://pubs.usgs.gov/publication/wri834269},
  note = {Source identifier: wri834269}
}